Sometimes a hunch proves to be unworkable. The Milankovitch Cycle theory has too many complications. It’s time to give it up. In the 1920s, Milutin Milankovitch, a Serbian astronomer, mathematician and popularizer of science, had a bright idea. Knowing that certain orbital cycles drift over time, he wondered if they could influence the earth’s climate. […]

Recent news articles show how engineers and inventors are helping mankind by imitating what plants, cells and animals do every day. A new kind of vaccine based on spider silk (Science Daily). Because spider silk is tough and yet biodegradable, it can be used as a delivery capsule for vaccines that might otherwise be resisted […]